Submission #1293353

#	Time	Username	Problem	Language	Result	Execution time	Memory
1293353		Sofiatpc	Counting Mushrooms (IOI20_mushrooms)	C++20	25 / 100	29 ms	400 KiB

mushrooms

#include "mushrooms.h"
#include <bits/stdc++.h>

using namespace std;

#define sz(v) (int)v.size()

int count_mushrooms(int n) {
	int tam = 3;

	vector<int> a = {0}, b;
	int lst = 0;
	for (int i = 1; i < n; i++){
		vector<int> aux = {0,i};
		if(use_machine(aux) == 0)a.push_back(i);
		else b.push_back(i);
		lst = i;
		if(sz(a) == tam || sz(b) == tam)break;
	}

	if(lst+1 == n)return sz(a);

	vector<int> aux;
	int pt = 0, ans = sz(a);
	for(int i = lst+1; i <= n; i++){
		if(sz(a) == tam)aux.push_back(a[pt]);
		else aux.push_back(b[pt]);
		pt++;


		if(pt == tam || i == n){
			if(sz(aux) == 1)break;
			if(sz(a) == tam)ans += sz(aux) - pt - use_machine(aux)/2;
			else ans += use_machine(aux)/2;

			aux.clear();
			if(sz(a) == tam)aux.push_back(a[0]);
			else aux.push_back(b[0]);
			pt = 1;
		}

		if(i == n)break;

		aux.push_back(i);
	}
	return ans;
}

• Subtask 1: 25 / 100